SelectCalc · Highlight Math, Get Answers

Highlight math on any page, get the answer in a tooltip. Type = in the address bar to calculate. One-click copy. Collects nothing.

SelectCalc turns math you can see into an answer. Highlight an expression on any page, a price breakdown, a recipe, a spreadsheet cell, and a small tooltip shows the result with a one-click copy button. No retyping, no tab switch, no calculator detour. What it does - Answers any highlighted math, from 12*8 to (14.99 * 3) + 10% to sqrt(144) + 5 - Understands parentheses, powers, percent, and 7 functions - Calculates from the address bar too: type = then a space, then the expression - Copies the result in one click, so you never retype a number - Keeps your last 3 calculations on a tape you can clear anytime - Lets you pause it on any site in two clicks Free and membership Every calculation is free and unlimited, forever. Pro features, the full 100-calculation tape with CSV export, decimal precision control, and four tooltip themes, unlock with a Zovo membership. Built honestly SelectCalc runs entirely on your device. No network calls, no data collection, no account. Built in public by one developer. See your options Every plan is backed by a 14-day money-back guarantee. See plans at https://zovo.one/pricing