Инженерный Калькулятор+Графики

Actually does

• ✓Calculator90% of reviews
• ✓Free tier
• ✓Построение графиков функций30% of reviews
• ✓Научные функции (sin, cos, log, ln, производные)15% of reviews
• ✓Решение алгебраических уравнений10% of reviews
• ✓Интегралы и дифференциалы(bonus)3% of reviews
• ✓Работа в нескольких вкладках параллельно(bonus)6% of reviews
• ✓Ad-free6% of reviews
• ✓Dark mode(bonus)3% of reviews

Claimed, but not confirmed by reviews

• ⚠Матричные операции и векторные вычисления
• ⚠Калькулятор дробей
• ⚠Data export
• ⚠Сохранение и загрузка выражений (PRO)

Common complaints

• ✗Data and history loss after updates6% of mentions

  «No history, data disappeared, unpleasant»

• ✗No output in roots and fractions format (decimal values only)3% of mentions

  «The answer output system should be changed to include not only the full value, but also the fractional form with roots (10√3)»

• ✗Unwanted brightness/color scheme change after update3% of mentions

  «After the update, the screen became white, not like it was before, and it's inconvenient»

• ✗Difficulty finding fractions function in the interface3% of mentions

  «Everything is great, only I can't find fractions even though they're visible in the image»

• ✗Internet connection required for free version

What people praise

• ★Broad functionality: all necessary engineering and scientific operations

  «This calculator has everything! I really like it!»

• ★Reliability and stability over many years of use

  «Using it since 2017, really helped me in college especially with geometry, overall a convenient tool for an engineer»

• ★Ability to work in multiple tabs in parallel

  «Can perform 5-6 calculations in parallel, which I consider a huge plus»

• ★Fast performance and responsive interface

  «Convenient program, works fast, clear interface»

• ★Non-intrusive ads (static banner without pop-ups)

  «There are ads, but it's a small banner that I haven't tapped in 8 years of using it, no pop-up ads»

Where to install