Calculate expressions, track history, and apply discounts
Perform calculations using expressions like 100+30-50. Calculate discounts and premiums with one touch. Automatically record and review calculation history. Use for shopping, tax, and estimation tasks.
Calculate gas consumption for appliances using values and gas rate. Check against data badges or manufacturer guidelines. Supports Natural Gas, Propane, Butane, and LPG mixtures. Includes imperial, metric, and digital meter types.
The app provides two calculators: one using Standard Notation and another using Reverse Polish Notation. Both calculators are programmable and include finance and scientific functions, plus 45 physical constants.
Calculate pH, pOH, [H⁺], or [OH⁻] from any one value. Input concentration or ion activity to solve for missing variables. Automatically handles strong and weak acids/bases using provided Ka or Kb values.
Calculate GPA and predict cumulative GPA ranges. Track grade history and determine required final exam scores for desired letter grades. Customize grade values to match any grading system.
