Author: Saiful Islam
Saiful Islam
Hey, I’m Saiful Islam — A passionate content strategist, SEO specialist, and the creator of iamsaiful.com. For years, I’ve helped businesses, bloggers, and entrepreneurs thrive online by combining engaging content with powerful SEO tactics. This website is my digital home — where I offer content writing and SEO services, and where I share my thoughts and tips, especially in the home niche I deeply enjoy.
Trigonometric Identity Verifier Trigonometric Identity Verifier Enter a trigonometric expression and check if it is an identity! Expression: sin(x) cos(x) tan(x) ^2 + – * / ( ) π Clear Verify Input Keyword Tool Enter text to extract keywords: Extract Keywords
Getting started with Google AdSense is exciting. Once your account earns $10 USD, Google sends a PIN by mail to verify your address. But sometimes, that PIN never arrives—and trust me, I’ve been there. Over the last 7+ years, I’ve helped bloggers and website owners grow their AdSense income. One of the most common issues I see is this: PIN not received, even after waiting for weeks. It delays your payments and adds stress when you’re just getting started. I still remember checking my mailbox every morning, hoping to see that envelope from Google. But after four weeks—nothing. If you’re…
Enhanced Integral Visualizer Enhanced Integral Visualizer f(x) = x² sin(x) e^x 1/x √x x³-2x²+3x-1 Lower bound (a) = Upper bound (b) = Partitions (n) = 10 Integration Method: Midpoint Rule Left Endpoint Right Endpoint Trapezoidal Rule Simpson’s Rule Compare All Methods ⓘ Visualize Integral Integration Methods: Midpoint Rule: Approximates the integral using rectangles with heights equal to the function value at the midpoint of each interval. Left Endpoint: Uses rectangles with heights equal to the function value at the left endpoint of each interval. Right Endpoint: Uses rectangles with heights equal to the function value at the right endpoint of…
Interactive Function Plotter Interactive Function Plotter Function f(x) Enter a valid function Use ‘x’ as variable. Ex: 2*x^2 + 3*x – 4 Plot Clear x² sin(x) cos(x) tan(x) log(x) eˣ √x x³-2x²+1 X Min X Max Y Min Y Max Step Interactive Function Plotter | Dedicated to Foyjul Haque Sir & Asad Sir ইন্টার্যাকটিভ ফাংশন প্লটার নিয়ে পরিচিতি ইন্টার্যাকটিভ ফাংশন প্লটার টুলটি ব্যবহার করে এখন Mathematica বা অন্য জটিল সফটওয়্যার ছাড়াই সহজেই যেকোনো গণিতীয় ফাংশনকে গ্রাফে তুলে ধরতে পারবেন। প্রধান বৈশিষ্ট্য কীভাবে ব্যবহার করবেন? উপসংহার গণিতের ক্লাস, হোমওয়ার্ক বা প্রেজেন্টেশনে ফাংশন গ্রাফ দেখানোর প্রয়োজন হলে এই ইন্টার্যাকটিভ ফাংশন প্লটার টুলটি…
Derivative Calculator Derivative Calculator Function of x: Calculate Derivative Derivative: — 123 456 789 /*-+^ 0.x sin(cos(tan( ln(sqrt(exp(log( ⌫Clear