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How Many Final Exam Marks Do You Still Need?
If you have already secured 42 course points and want a final course result of 75%, you need another 33 points. The…
Course Grades Depend on Weights, Not Just Scores
Scoring 90% on an assignment does not add 90 points to your course result. If that assignment is worth 20% of the…
Combining Subject Marks When Maximums Are Different
A 200 mark subject should carry twice the raw mark capacity of a 100 mark subject. Averaging the two percentages equally changes…
Marks Percentage: Read Your Result and Target Gap
A result of 880 out of 1,100 is 80%. That tells you the share of available marks you earned. It does not…
Create a Blank Canvas at Exact Pixel Dimensions
A blank canvas is useful when you need a solid background or transparent starting image rather than a transformed photograph. Its dimensions…
Remove Original Image Metadata by Reencoding the Pixels
A photograph can carry information that is not visible in the picture, such as camera details, comments or location tags. Reencoding a…
Create an Image Data URI From a Fresh PNG
A data URI embeds image bytes inside text. It can be convenient for a small controlled asset, but it is not automatically…
Read an Exact Pixel Colour From the Correct Coordinate
An exact pixel read is useful when a palette's approximate colours are not enough. It can inspect a flat logo area, an…
Read a Sampled RGB Histogram Without Calling It Exposure Proof
A histogram summarises where channel values fall across a picture. It can help describe a dark or bright distribution, but it cannot…
Find an Approximate Image Palette Without Exact Sampling Claims
A palette can help choose supporting design colours from a photo. It is an approximation of visible colour distribution, not a list…
Inspect Image Dimensions and Bytes Before an Upload
An image filename does not reliably tell you its real format or dimensions. A file called small.jpg may still be too large…
Convert Print Millimetres and DPI to Image Pixels
Print size depends on a relationship between physical dimensions and pixel density. A file can contain the right number of pixels while…