Esa Helttula
@idevbooks
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Interested in teaching math, math in special ed., parent, developer of math apps for iOS, ex algorithm visualizer, founder of iDevBooks.
Espoo, Finland
Joined February 2010
Column Addition version 6.5 is now on the App Store. Supports iOS 15.
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After 12 years on the App Store - and 24 updates - Long Multiplication version 6.5 now supports iOS 15.
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What is new in Long Division app version 6.5?.- support for iOS 15.
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RT @PL_Henderson1: Australia’s Oldest Man Knits Tiny Sweaters For Penguins Injured In Oil Spills #MensArt
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RT @robertkaplinsky: This has been around a while but I love this visual representation of the Pythagorean Theorem that emphasizes the area….
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RT @KSHartnett: I'm very proud to share @QuantaMagazine's new "Map of Mathematics" - a guide to some of the most important ideas in math to….
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RT @mhorley: Still waiting to hear @PearsonEdexcel 's position on #ClimateChange. Maybe it isn't a problem after all? That's what they want….
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RT @teachinginrm30: I absolutely love teaching at my school and love my students, but it needs to be said: teaching kids at low income/high….
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RT @AnkerMath: Unit Circle posters! (also nails appreciation post 💅). Students construct it all out of special right triangles. #mtbos #ite….
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RT @justintarte: I'm comfortable giving the student who needed 4 attempts to master a skill the same grade as the student who only needed 1….
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Place Value Addition for iPad, Chromebooks, and Windows 10 PC. Please visit for more information.
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Place Value Multiplication for iPad, Windows 10 PC, and (soon) Chromebook
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RT @lescapadou: Math Wizard is a unique app which let kids play freely with math expressions thanks its Sandbox. Release date: March 7th! h….
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RT @KellyEdwardsTA: A Student's Perspective on Place-Based Learning
edutopia.org
"All I needed during middle school was to feel a part of something, and connecting to my community brought me that." -- Grace Whitmore, Hood River Middle School alumna
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