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Formula reference cards

Print equations, variable definitions, units and conditions as reference cards.

PRINT STUDIO / 04

Make it tangible.

Equation :: Variables :: SI units :: Conditions

Print at 100% scale. Duplex: flip on the long edge and test one sheet first. Common mathematical symbols become text equivalents in the PDF; unsupported characters become “?”.

On paper

A4 · 2 cards
F = m × a

Variables: F force; m mass; a acceleration Units: N; kg; m/s² Conditions: Constant mass

V = I × R

Variables: V voltage; I current; R resistance Units: V; A; Ω Conditions: Ohmic conductor

Sheet 1 / 1

Screen preview uses your browser font. Check the downloaded PDF before printing.

How to use this tool

  1. Write each equation with variables, units and validity conditions.
  2. Choose A4 or US Letter and a reference or duplex layout.
  3. Inspect the six-card preview; shorten oversized answers before exporting.
  4. Print at actual size; for duplex use long-edge flipping and test one sheet.

Frequently asked questions

How are duplex backs aligned?

Backs mirror columns within each six-card sheet. Print at actual size with long-edge flipping and verify alignment on a test sheet.

Will mathematical symbols print?

Common symbols are transliterated for the built-in PDF font, such as Delta and <=. Unsupported characters become question marks; inspect the export.

Why include conditions?

A formula can be recalled correctly but applied incorrectly. Conditions record when the relation is valid.

What happens to an oversized card?

Export stops with an error instead of clipping the text. Split the content or shorten the answer and try again.

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