The app calculates molarity, converts between grams and moles, and computes dilutions. It features slider-controlled SI-prefixes with automatic value adjustment and allows switching molecular weight between Dalton and kilo-Daltons.
by Harald Tammen★ 1.97 ratingsReferenceFreeData updated 2026-09-10
Create lists and assign numeric values to items. automatically calculates totals and averages. Edit, duplicate, or delete items to update totals in real time. Track costs, budgets, and other numerical data efficiently.
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 growth with . Choose from weekly, monthly, or yearly compounding. Add funds periodically or specify exact amounts. Track investments over time or simulate withdrawals.
Calculate time and shutter speed for neutral density filters. Set countdown timers for exposures 10 seconds or longer. Supports up to 24-stops of ND filter. Compatible with iPhone, iPad, and iPod touch.
The app displays sunrise and sunset times for the user's current location at any point in time. It computes sunrise, sunset, and twilight periods for Civil, Nautical, and Astronomical twilight.
Calculate discounts by entering an amount and adjusting the slider or inputting a . Display new and discount amounts rounded to two decimal places. Switch tabs to compare percentages of values relative to each other.
Calculate shooting data by inputting changes in mils, number of deflections, and base deflection. Compute accurate results quickly. Track usage with a subscription model after five free uses. Include quizzes for practice.
Calculate in decimal, hexadecimal, and binary bases. Switch between bases during equations and view real-time conversions. Display values in all three bases simultaneously. Perform arithmetic operations across different number systems.
Convert cryptocurrencies, stocks, and fiat currencies with real-time exchange rates. Calculate price changes and compare market values. Set custom alerts for price movements. Sync data across devices and export reports.
Manage accounts, track expenses, and generate reports
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