Alternatives to Wolfram Alpha Bot

An inline calculator — type @mathcalcbot and an expression like sin(60)*sqrt(16)/.3 in any chat, and a ready-to-send result pops up without ever opening the bot itself.

A "programmable" calculator bot that understands full Python-style expressions plus the math, random, datetime, json and re modules — for anyone who wants more than basic arithmetic in a Telegram chat.

A no-frills unit converter — type something like "100 ft to m" and get an instant answer covering length, area, volume, weight, temperature, energy and speed. Free and open source.

Send any arithmetic expression with parentheses, like "(12+8)/4*3", and get the answer back instantly. No commands, no menus — and it already has close to 30,000 monthly users.

A bilingual English/Russian unit converter with a clean category menu — pick length, weight, temperature or another category, then convert with a couple of taps or the /units command.

Convert a time between any two time zones with one command — "/convert 3PM GMT to PST" — and set live countdowns to future events, right inside Telegram.

A lightweight inline calculator that also remembers variables — set x = 5 once, then reuse x in later expressions across any chat.