CITIZEN / SCIENTIFIC

SR-270N
simulator.

Explore the Citizen SR-270N with its product photograph and an interactive scientific calculation preview. Model-specific modes and hardware behavior are still in development.

01 Interactive keys02 Keyboard support03 Calculation history
Official model specifications ↗
Interactive simulator
Citizen SR-270N product photograph
Product photograph · core calculation preview below
CitizenSR-270N
DEGSCI
0
0
Ready
⌨ Number and operator keys · Enter = result · Esc = clear · ! factorial · % percent · p π · e Euler constant

Front photograph: Citizen model distributor.

MODEL NOTES

What works today.

This is an independent simulator. Its current calculation core covers the functions below. It does not yet reproduce every hardware mode, screen behavior or physical detail.

Available now

✓Arithmetic and parentheses
✓Degree and radian trigonometry
✓Inverse trigonometry
✓Logarithms and powers
✓Factorial, percent and constants
✓Answer memory and history

In development

○Model-specific key layout and labels
○Original screen behavior
○Manufacturer modes and memory behavior
○Full model-specific function set
YOUR SESSION

Calculation history

Recent results remain in this browser tab. Select one to reuse its answer.

RECENT CALCULATIONS
  1. No calculations yet. Try 12 × 8.
Citizen and SR-270N are trademarks of their respective owners. This independent educational simulator is not affiliated with or endorsed by the manufacturer.