#soroban — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #soroban, aggregated by home.social.
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Younger child (Scotland P2) is about to start on multiplication with soroban (Japanese abacus) after school classes 🧮
Eldest (Scotland P6) commented they don't really know how to do long hand multiplication (thinks they missed learning while in Japan in term time?), and just uses the soroban anzan method instead.
I learnt they would guess/skip those questions on SumDog (computer based maths quiz used at School)! #soroban #MentalArithmatic #SumDog
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Younger child (Scotland P2) is about to start on multiplication with soroban (Japanese abacus) after school classes 🧮
Eldest (Scotland P6) commented they don't really know how to do long hand multiplication (thinks they missed learning while in Japan in term time?), and just uses the soroban anzan method instead.
I learnt they would guess/skip those questions on SumDog (computer based maths quiz used at School)! #soroban #MentalArithmatic #SumDog
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Younger child (Scotland P2) is about to start on multiplication with soroban (Japanese abacus) after school classes 🧮
Eldest (Scotland P6) commented they don't really know how to do long hand multiplication (thinks they missed learning while in Japan in term time?), and just uses the soroban anzan method instead.
I learnt they would guess/skip those questions on SumDog (computer based maths quiz used at School)! #soroban #MentalArithmatic #SumDog
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Younger child (Scotland P2) is about to start on multiplication with soroban (Japanese abacus) after school classes 🧮
Eldest (Scotland P6) commented they don't really know how to do long hand multiplication (thinks they missed learning while in Japan in term time?), and just uses the soroban anzan method instead.
I learnt they would guess/skip those questions on SumDog (computer based maths quiz used at School)! #soroban #MentalArithmatic #SumDog
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Seven years since I found this. A logical technology aid to change over, but what an idea. Only sold in Japan, I believe.
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Seven years since I found this. A logical technology aid to change over, but what an idea. Only sold in Japan, I believe.
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Seven years since I found this. A logical technology aid to change over, but what an idea. Only sold in Japan, I believe.
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A year or so ago I got a #soroban during an adhd hyperfoucus. After all this time in the graveyard of forgotten obsessions, I've started practising with https://www.sorobanexam.org/ and wow is it cool!
Side quest unlocked: git gud at doing basic arithmetic with it to ditch the calculator!
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Sábado de Calculadoras: “A História do Ábaco”
https://retropolis.com.br/2026/05/30/sabado-de-calculadoras-a-historia-do-abaco/
#MundoRetro #baco #Antiguidades #Anzan #CalculadoraMecnica #ClculoMental #casio #Facit #HistriaDaComputao #HomemVsMquina #KiyoshiMatsuzaki #Retrocomputao #Soroban #Suanpan #ThomasNathanWood
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Sábado de Calculadoras: “A História do Ábaco”
https://retropolis.com.br/2026/05/30/sabado-de-calculadoras-a-historia-do-abaco/
#MundoRetro #baco #Antiguidades #Anzan #CalculadoraMecnica #ClculoMental #casio #Facit #HistriaDaComputao #HomemVsMquina #KiyoshiMatsuzaki #Retrocomputao #Soroban #Suanpan #ThomasNathanWood
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Sábado de Calculadoras: “A História do Ábaco”
https://retropolis.com.br/2026/05/30/sabado-de-calculadoras-a-historia-do-abaco/
#MundoRetro #baco #Antiguidades #Anzan #CalculadoraMecnica #ClculoMental #casio #Facit #HistriaDaComputao #HomemVsMquina #KiyoshiMatsuzaki #Retrocomputao #Soroban #Suanpan #ThomasNathanWood
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My new #pocketCalculator
(I have to use a pen as a stylus to push the beads most of the time because it's all tiny)
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My new #pocketCalculator
(I have to use a pen as a stylus to push the beads most of the time because it's all tiny)
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My new #pocketCalculator
(I have to use a pen as a stylus to push the beads most of the time because it's all tiny)
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My new #pocketCalculator
(I have to use a pen as a stylus to push the beads most of the time because it's all tiny)
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My new #pocketCalculator
(I have to use a pen as a stylus to push the beads most of the time because it's all tiny)
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My new #pocketCalculator
(I have to use a pen as a stylus to push the beads most of the time because it's all tiny)
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My new #pocketCalculator
(I have to use a pen as a stylus to push the beads most of the time because it's all tiny)
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https://www.youtube.com/watch?v=WvbPAhQLBy4
I want this giant #soroban #abacus on a carrying strap! Such delightful #chonk!
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https://www.youtube.com/watch?v=WvbPAhQLBy4
I want this giant #soroban #abacus on a carrying strap! Such delightful #chonk!
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https://www.youtube.com/watch?v=WvbPAhQLBy4
I want this giant #soroban #abacus on a carrying strap! Such delightful #chonk!
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Deal with the "sound quality issues" because a 7yo doing math this fast is amazing
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Deal with the "sound quality issues" because a 7yo doing math this fast is amazing
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Deal with the "sound quality issues" because a 7yo doing math this fast is amazing
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Deal with the "sound quality issues" because a 7yo doing math this fast is amazing
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I am:
* Learning #soroban #abacus and trying to improve my mental #math in other ways as well.
* #SkimReading "C By Example" to refresh my oxidized neural pathways on the subject.
* Keeping "Drawing On The Right Side Of The Brain" in the stack to read and work through.
* Attempting semi-immersive language learning by watching movies in #French
* Etc etc etc
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I am:
* Learning #soroban #abacus and trying to improve my mental #math in other ways as well.
* #SkimReading "C By Example" to refresh my oxidized neural pathways on the subject.
* Keeping "Drawing On The Right Side Of The Brain" in the stack to read and work through.
* Attempting semi-immersive language learning by watching movies in #French
* Etc etc etc
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I am:
* Learning #soroban #abacus and trying to improve my mental #math in other ways as well.
* #SkimReading "C By Example" to refresh my oxidized neural pathways on the subject.
* Keeping "Drawing On The Right Side Of The Brain" in the stack to read and work through.
* Attempting semi-immersive language learning by watching movies in #French
* Etc etc etc
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Eldest continues #soroban (Japanese abacus) 🧮 classes, including mental arithmetic #FlashAnzan techniques & regular drill practice on the computer…
This is currently a crazy physical and mental exercise where they run away from the computer, read the numbers to tally at a distance, then run back and type in answer 🤣
Apparently this helps maintain a small mental model in their (imaginary) field of view, leaving room for larger numbers in future. With some physical exercise as a bonus?
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Eldest continues #soroban (Japanese abacus) 🧮 classes, including mental arithmetic #FlashAnzan techniques & regular drill practice on the computer…
This is currently a crazy physical and mental exercise where they run away from the computer, read the numbers to tally at a distance, then run back and type in answer 🤣
Apparently this helps maintain a small mental model in their (imaginary) field of view, leaving room for larger numbers in future. With some physical exercise as a bonus?
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Eldest continues #soroban (Japanese abacus) 🧮 classes, including mental arithmetic #FlashAnzan techniques & regular drill practice on the computer…
This is currently a crazy physical and mental exercise where they run away from the computer, read the numbers to tally at a distance, then run back and type in answer 🤣
Apparently this helps maintain a small mental model in their (imaginary) field of view, leaving room for larger numbers in future. With some physical exercise as a bonus?
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Eldest continues #soroban (Japanese abacus) 🧮 classes, including mental arithmetic #FlashAnzan techniques & regular drill practice on the computer…
This is currently a crazy physical and mental exercise where they run away from the computer, read the numbers to tally at a distance, then run back and type in answer 🤣
Apparently this helps maintain a small mental model in their (imaginary) field of view, leaving room for larger numbers in future. With some physical exercise as a bonus?
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Exploring blockchain RPCs from the terminal 🔥
🌌 **stellar-tui** — Discover & execute Stellar RPC methods.
💯 Structured forms, response pagination, regex search & endpoint management.
🦀 Written in Rust & built with @ratatui_rs
⭐ GitHub: https://github.com/padparadscho/stellar-tui
#rustlang #ratatui #tui #stellar #soroban #blockchain #cli #devtools
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Exploring blockchain RPCs from the terminal 🔥
🌌 **stellar-tui** — Discover & execute Stellar RPC methods.
💯 Structured forms, response pagination, regex search & endpoint management.
🦀 Written in Rust & built with @ratatui_rs
⭐ GitHub: https://github.com/padparadscho/stellar-tui
#rustlang #ratatui #tui #stellar #soroban #blockchain #cli #devtools
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Exploring blockchain RPCs from the terminal 🔥
🌌 **stellar-tui** — Discover & execute Stellar RPC methods.
💯 Structured forms, response pagination, regex search & endpoint management.
🦀 Written in Rust & built with @ratatui_rs
⭐ GitHub: https://github.com/padparadscho/stellar-tui
#rustlang #ratatui #tui #stellar #soroban #blockchain #cli #devtools
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Exploring blockchain RPCs from the terminal 🔥
🌌 **stellar-tui** — Discover & execute Stellar RPC methods.
💯 Structured forms, response pagination, regex search & endpoint management.
🦀 Written in Rust & built with @ratatui_rs
⭐ GitHub: https://github.com/padparadscho/stellar-tui
#rustlang #ratatui #tui #stellar #soroban #blockchain #cli #devtools
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Can anyone recommend resources for learning to use an abacus? Physical media preferred, but websites are also ok. English language please.
I have a Chinese-style (suanpan) and two Japanese-style (soroban) abacuses. I'm especially interested in advanced techniques that you would need if you were replacing your calculator with an abacus.
Are there other abacus types useful for specific calculations?
I find the Lee Kai-chen Abacus fascinating: http://totton.idirect.com/abacus/Lee/
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Can anyone recommend resources for learning to use an abacus? Physical media preferred, but websites are also ok. English language please.
I have a Chinese-style (suanpan) and two Japanese-style (soroban) abacuses. I'm especially interested in advanced techniques that you would need if you were replacing your calculator with an abacus.
Are there other abacus types useful for specific calculations?
I find the Lee Kai-chen Abacus fascinating: http://totton.idirect.com/abacus/Lee/
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Can anyone recommend resources for learning to use an abacus? Physical media preferred, but websites are also ok. English language please.
I have a Chinese-style (suanpan) and two Japanese-style (soroban) abacuses. I'm especially interested in advanced techniques that you would need if you were replacing your calculator with an abacus.
Are there other abacus types useful for specific calculations?
I find the Lee Kai-chen Abacus fascinating: http://totton.idirect.com/abacus/Lee/
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Can anyone recommend resources for learning to use an abacus? Physical media preferred, but websites are also ok. English language please.
I have a Chinese-style (suanpan) and two Japanese-style (soroban) abacuses. I'm especially interested in advanced techniques that you would need if you were replacing your calculator with an abacus.
Are there other abacus types useful for specific calculations?
I find the Lee Kai-chen Abacus fascinating: http://totton.idirect.com/abacus/Lee/