App Overview

MyScript Calculator icon

MyScript Calculator

MyScript · Productivity

The new MyScript© Calculator 2 makes daily math fun and easy!

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.5
1,513 ratings · Top 15%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for MyScript Calculator: map the core Productivity workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Improve recognition algorithms with machine learning.

Assumption to check: Users struggle with handwriting recognition accuracy.

Validate with people who use this workflow before building.

Hypothesis 2

Add features for multi-line and advanced functions.

Assumption to check: Limited support for complex equations.

Validate with people who use this workflow before building.

Hypothesis 3

Implement folders and search for easy access to calculations.

Assumption to check: No history organization or search functionality.

Validate with people who use this workflow before building.

Hypothesis 4

Provide clearer explanations of premium features and benefits.

Assumption to check: In-app purchases may confuse users.

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

The new MyScript© Calculator 2 makes daily math fun and easy! Calculator 2 turns your device into an interactive piece of paper. Simply write a calculation and it gets you the result in real time. Develop it further with editing gestures or by adding new elements anywhere. Reuse previous results with drag and drop. Calculator 2 interprets everything you do on the fly. Calculator 2 is based on MyScript Interactive Ink®, the next step for digital ink. It is the successor of the award-winning first handwriting calculator. BENEFITS AND FEATURES · Write calculations in an intuitive and natural way without a keyboard. · Erase easily by using scratch-out gestures to remove symbols and numbers. · Drag and drop numbers from and to the canvas, the memory bar or to an external app. · Copy your results to the clipboard or export them to other apps. · Fractions: Display results using decimals, fractions or mixed numbers. · Multi-line: Continue the same calculation on the next line or write several calculations on multiple lines. · Memory: Save results into memory. Reuse them anytime in your calculations. · History: Retrieve all your past calculations to reuse or export. SUPPORTED OPERATORS · Basic operations: +, -, ×, ÷, /, ·, : · Powers, roots, exponentials: 7², √, ∛, e³ · Miscellaneous operations: %, |5|, 3! · Brackets: ( ) · Trigonometry: sin, cos, tan, cot, cosh, sinh, tanh, coth · Inverse trigonometry: asin, acos, atan, acot, arcsin, arccos, arctan, arccot, acosh, asinh, atanh, acoth, arcosh, arsinh, artanh, arcoth · Logarithms: ln, log · Constants: π, e, phi

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

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BUILD KIT DIFFICULTY
Advanced

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.