LECOMPUTER - Advanced Programming & Science Tools Dashboard

Advanced Calculator (Matrices, Vectors, Expressions)

Supports: arithmetic, vectors ([1,2]+[3,4]), matrices (det([[1,2],[3,4]])), functions (sin(pi/2)), fractions, etc.

Expression:

// Result will appear here

Matrix Operations:

Vector Operations:

Secure Password Generator

Custom length, character sets, pronounceable, exclude ambiguous symbols.

Length: Symbols (@#$%) Numbers (0-9) Uppercase (A-Z) Lowercase (a-z) Avoid ambiguous characters (lI1O0) Pronounceable (for easier recall)

// Your secure password

Test Data Generator

Generate random numbers, strings, matrices, arrays, JSON objects, custom regex, etc.

Type: Count/Dimensions:

// Generated test data

Charts & Graphs (Histogram, Pie, Scatter, Line)

Visualize your data with multiple chart types, colors & labels.

Chart Type: Labels (comma separated): Values (comma separated):

Unit Converter & Memory/Speed Calculator

Supports: memory, speed, length, time, weight, temperature, currency, custom units.

Unit Type: Conversion Expression (e.g. 1024 KB to MB OR TB) guide: memory: { "B","KB","MB","GB","TB"} length: {"mm","cm","dm","m","km","in","ft","yd","mi"} time: { "ms","s","min","h","day"} speed: {"m/s","km/h","mph"} weight: {"mg","g","kg","t","lb","oz"} temperature: { "C","F","K" } :

// Converted value

Coding Interview Practice

Randomized questions & answers, categorized by difficulty, option to show/hide answer.

Difficulty:

// Interview question

// Answer

Automatic Text Summarizer

Summarize by number of sentences, or by extracting main points (basic algorithms).

Text: Number of Sentences: Algorithm:

// Summary

Reference & Citation Generator

APA, MLA, IEEE, Chicago; multiple authors, URL, DOI, edition, etc.

Format: Authors (comma separated): Title: Year: Source (journal, publisher, conference): URL/DOI: Edition (optional):

// Ready citation

Digital Circuit Simulator (Logic Gates)

Simulate AND, OR, NOT, NAND, NOR, XOR, XNOR gates, visualize logic diagram.

Gate Type: Inputs (comma separated, e.g. 1,0):

// Logic result