Room to think.
A focused calculator with scientific keys on demand, DEG/RAD, editable expressions and optional calculation steps.
YOUR NUMBERS. YOUR RULES.
Make calculations
your own.
The everyday calculator that goes further. Work through scientific math, convert units, and turn your own formulas into tools you can save and share.
OFFLINE-FIRSTNO ACCOUNT REQUIREDANDROID
01Focused, full-height calculator
20Unit conversion categories
02Inputs per custom calculator
PNGShare a calculated result as an image
01 / THE DIFFERENCE
NOT JUST ANOTHER CALCULATOR
A formula today.
Your tool forever.
Make a purpose-built calculator once. Save it, return to it, or send it to someone who needs the same answer. No coding, account or server required.
CREATE A CALCULATORStop retyping
Stop retyping
the same math.
Name your tool, label two numeric inputs, define a formula and choose the result label. Preview it before saving; duplicate an existing tool to make it your own.
- 01 Choose a starting template or begin blank
- 02 Define your inputs and formula
- 03 Preview, save and share a template file
Current source version: the builder supports two numeric inputs and one calculated output. It does not yet support drag-and-drop layouts or arbitrary numbers of input fields.
02 / THE TOOLKIT
EVERYTHING IN ITS PLACE
Less interface.
More capability.
Work in dedicated tools. Keep the calculator clear and bring the extra controls forward when you need them.
Units, sorted.
106 named units across 20 categories, including separate handling for absolute temperatures and temperature differences.
Dates & numbers.
Check calendar intervals, shift dates, count weekdays and explore everyday finance calculations with your own figures.
Your own library.
Keep custom tools locally, duplicate a template and exchange calculator files or result images through Android sharing.
NOVA runs calculations locally. No app account is needed. The website is a static showcase; read the privacy policy for details.
03 / A CLOSER LOOK
IN THE DETAILS
Designed for
real use.
Seven views of the NOVA interface. Select a preview to open it at a larger size.
Concept previews — These images are design mockups from the project package, not captured screenshots of a verified production build. Final UI may differ.
KEEP THE TOOL. OWN THE FORMULA.
Start with a calculation.
Keep what you create.
Explore the project and build the Android app from source. Public installation links will appear here when the publisher adds them.
Explore Create
Source-project preview · Build and device verification pending.