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Green spiral-bound computation pad with grid ruling

Pendaflex

Pendaflex 22157 Engineers Research and Computation Pad

SKU CH-GKE2-H5F7A MPN 22157

Engineers' computation pad for structured technical notes and calculations

  • Engineers computation pad designed for technical note-taking
  • Ampad model 22157 built for research workflows
  • New condition ensures clean, ready-to-use pages
  • First listed by manufacturer in 2013
  • Part number 22157 for easy reorder identification

Engineers Computation Pad

The Pendaflex 22157 is a bound computation book produced under the Ampad brand for engineers and technical students who need structured pages for calculations, sketches and project notes.

Practical Limits of Paper Format

Each sheet provides a fixed grid layout that cannot be rearranged, searched or backed up digitally, so users who require version control, easy duplication or integration with CAD software will find the medium restrictive.

Build Quality and Daily Use

The book uses a sewn binding that keeps pages flat during writing and resists leaf loss when carried in a bag or stored on a shelf, while the sturdy cover protects the grid sheets from edge wear during repeated field or desk use.

How it compares

Measured against everything we stock in Notepads, Journals & Graph Pads, at today’s prices. Recalculated every night.

Price $41.99
Pricier than about 83% of the 384 comparable items (median $16.99).

Specifications

Product
Brand nameAmpad
Model name22157
Size & build
Shipping weight0.61 kg
Package size297 × 241 × 15 mm

Questions about this item

Which ruling style suits engineering calculations, the 22157 or another model?

The 22157 is an Engineers Research and Computation Book, designed with a grid layout for technical work and data recording.

How does the 22157 perform when used daily for project notes?

As a dedicated computation pad, it provides structured pages that keep formulas, sketches and logs organised through repeated use.

What binding standard does the 22157 use, and how does it affect page retention?

The book uses a sewn binding that keeps sheets secure during frequent reference and prevents pages from detaching over time.

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