Mobi Calculator

Changes in the calculation behavior

After carefully reviewing your feedback and conducting our own research, we have made several changes to the calculation behavior in Mobi Calculator 2 compared to Mobi Calculator 1. Most of these changes fix incorrect behavior or add support for cases that were not handled before.

Order of operations for exponents for negative numbers

  • Mobi Calculator 1: -2^2 = 4
  • Mobi Calculator 2: -2^2 = -4

Order of operations for exponents by default

(you are able to change it in Settings > Calculations)

  • Mobi Calculator 1: 2^3^2 = 64 (left to right)
  • Mobi Calculator 2: 2^3^2 = 512 (right to left)

Fixed cube root for negative numbers

  • Mobi Calculator 1: 3√(-8) = error
  • Mobi Calculator 2: 3√(-8) = -2

Fixed order of operations for n-th roots

  • Mobi Calculator 1: -3√(8) = 0.5
  • Mobi Calculator 2: -3√(8) = -2

Fixed order of operations for factorial

  • Mobi Calculator 1: -5! = error
  • Mobi Calculator 2: -5! = -120

Changed the integer division operator

  • Mobi Calculator 1: 5 \ 2 = 2
  • Mobi Calculator 2: 5~÷2 = 2

Changed time calculation format:

  • Mobi Calculator 1: 2.05 + 0.60 = 3.05
  • Mobi Calculator 2: 2h5m + 60m = 3h5m