Get in Touch
Whether you're an educator integrating our simulator into your classroom, a student who spotted a calculation anomaly, or an inquiry regarding our content, we’d love to hear from you.
contact@calc84online.com
Typical response time: within 24–48 business hours
How Can We Help You?
If a calculation, matrix algorithm, or graphing mode produced an unexpected error, please include your browser name, device type (e.g. Chromebook), and the exact formula keystrokes so we can reproduce it.
Using calc84online.com on interactive smartboards, computer labs, or 1-to-1 school Chromebooks? Let us know if your district requires specific whitelist verification or classroom display features.
Looking for a tutorial on specific calculus shortcuts, installing games (Tetris, Mario), or exam policies? Tell us what topics would help your STEM classes succeed.